Is function Unique described correctly in the documentation
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I ran a example of Unique given in the online 2013a documentations
A = [9 2 9 5]; [C, ia, ic] = unique(A)
The results given in the documentation is as follows: C =
2 5 9
ia =
2
4
1
ic =
3
1
3
2
But i got the different results for ia from my Matlab 2011a as follows ia =
2 4 3
Is the description in the documentation is correct or is it a bug in the code?
采纳的回答
the cyclist
2013-8-27
编辑：the cyclist
2013-8-27
There were changes in the methodology between those two versions of MATLAB. The 2013a documentation will definitely not accurately describe the 2011a behavior.
Type
doc unique
in your version to see the appropriate documentation for that version.
更多回答（1 个）
Shashank Prasanna
2013-8-27
0 个投票
There are compatibility considerations for the UNIQUE function detailed here in the release notes:
Please make sure you read the relevant version's documentation as the cyclist mentioned.
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